std::cbrt

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Defined in header `<cmath>`

float cbrt( float arg );		(since C++11)

double cbrt( double arg );		(since C++11)

long double cbrt( long double arg );		(since C++11)

Computes cubic root of arg.

arg

-

floating point value

cubic root of arg.

Domain error occurs if arg is negative. NAN is returned in that case.


sqrt	computes square root ( $\sqrt x$ ) (function)

pow	raises a number to the given power ( $x y$ ) (function)